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  1. questionSQLite Error creating section in Discover 2016 or 2017
    If an error dialog is thrown when creating Drillhole sections in Discover 2016 or 2017, this most likely is due to a date/time field in one of your Drillhole Project files. This bug was fixed in the Mapinfo Pro 16.0.2 patch which can be downloaded from here - http://www.pbinsight.com/support/pr ...
  2. questionDrillhole traces are not plotting correctly
    Solution Check the following common issues: Are the drillholes going up into the sky? Have you ticked the 'Down Dip is negative' option in the Drillholes Project Setup dialog? Are the drillholes plotting entirely vertically? Have you set up the correct Dip and Azimuth fields in the Drillholes ...
  3. questionNEW DRILLHOLES 64-bit VIDEO TUTORIAL: How do I create a cross-section?
    A detailed demonstration on how to create and refine both horizontal plans and cross-sections with MapInfo Discover's Drillhole module: Additional tutorials can be found on the MapInfo youtube channel, in the MapInfo Discover Tutorials playlist. Subtitles are available for this.
  4. questionHow do I highlight different drillhole types on a section, such as Planned holes, or RAB vs RC vs DDH?
    Solution A couple of tips that may assist you with the current version of Discover (v2013). 1/. To highlight 'Planned' holes. In addition to adding the planned hole/s' collar (and survey entries if needed) information, add a single lithology entry for each planned hole to the lithology table, ...
  5. questionHow do I regenerate a section?
    Occurrence Existing drillhole cross-sections and plans may need to be updated after updates and additions to a drillhole projects collar, survey and/or downhole data tables. Examples of changes to these files that may warrant section regeneration include: - new drillholes are added to a pr ...
  6. questionHow do I digitize (boundaries) on my sections?
    Solution In Discover 2012, the method for creating and managing your digitizations and interpretations on drillhole cross sections has slightly changed. You can now add "digitize boundary layers" - via the Section Manager, by 1. Selecting the Sections you wish to add a custom layer to 2. And th ...
  7. questionDrillholes intersecting a defined section at depth are not displayed, even when assigning a wide envelope width.
    Solution Make sure you check the “Show holes intersecting at depth” box in the Define New Section or Plan dialog. Any holes that intersect the drillhole envelope at depth should then be displayed on your section. If this box is not checked only drillholes which are collared within ...
  8. questionNot all drillholes appearing in cross-sections when using narrow envelope in vertical and plan section view
    Occurrence Isolated in Discover 2011.01 Build 15, for both the stand-alone and combined installers. If no drillhole survey inflection nodes are present within the envelope width, the drillhole fails to render in the cross-section. This is most apparent for straight inclined drillholes (e.g. RAB ...
  9. questionCalculation used for generating drillhole cross section
    Discover does not plot the raw survey data. Instead an interpolation method known as “mid-point tangential averaging”or “back calculation” is used. This is the only method offered in Discover and is the default method in Discover 3D. Although it is a simple method, it does produce reasonable re ...
  10. questionThe top portions of my drillholes are missing annotation labels and downhole data or display label overprinting at the collar.
    Occurrence When I create a drillhole cross section in Discover 10.0 or 11.0, the depth labels and tick annotation from the upper intervals of the drillhole traces are missing, and are instead all overprinted at the collar position. When I apply downhole data, the data is missing from the uppe ...
  11. questionDrillhole sections are displaying end of hole symbols as black squares
    Occurrence The collar and end of hole symbols on existing or new sections/plans are displaying as black squares, rather than the correct symbols Solution After upgrading or installing Discover, you will need to restart Windows to ensure the font files are correctly registered. After restarti ...
  12. questionIs it possible to create a drill section with an inclined section plane?
    A drillhole section can only be plotted with a 90 degree dip (vertical), the section plane cannot be inclined. However in Discover3D the dynamic cursor plane can clip or slice datasets in real time at any angle or position.
  13. questionMy drillhole collar positions do not match up with a DEM / DTM grid in the 3D view or drillhole cross-section.
    1/. Were your collars only assigned an arbitrary height (e.g. 550m ASL) during regional exploration, prior to an accurate elevation grid surface being provided (e.g. from a geophsical survey program). Perhaps update the collar table (as used by your Discover Drillhole Project) RL/Z value field ...
  14. questionWhy are drillhole cross-sections displayed in non-earth co-ordinates in the map window?
    Occurrence Drillhole cross-sections created using the Drillholes>Define New Section or Plan menu option display the X axis co-ordinates in non-earth units, rather than real world units (e.g. UTM). Solution Discover will only display cross-sections in real world co-ordinates if the section ori ...
  15. questionHow do I plot level or flitch plans?
    You can plot level or flitch plans by specifying the parameters in the Drillhole > Define New Section or Plan dialog. 1. Select the drillholes you wish to display in the level plan from the Map Window. 2. Choose Drillhole > Define New Section or Plan. 3. Select ‘ ...
  16. questionHow do I adjust the height of the surface profile (eg topography, geochemistry, ground magnetics) displayed over a cross section in the layout window?
    Solution The easiest way to do this is to use Drillholes > Define New Section or Plan to specify the section. Click the Surfaces button in this dialog to open the Surface Display Selection dialog and add the desired surface to the right-hand window. Tick the Relative Position option and ei ...